>> president obama is taking a tour through south america. he will stop in brazil today to meet the brazilian president. he is scheduled to give a speech in rio de janeiro on sunday. on monday, he arrives in chile for a bilateral meeting and press conference with the president of chile. he travels to el salvador on tuesday, where he meets with the president there. before returning wednesday, he will stay until salvador and to work the national cathedral and mayan regions. >> the communicators is on location at the seventh annual state of the net conference sponsored by the caucus in congress. joining us now is william blair from the massachusetts institute of technology -- leher from the massachusetts institute of technology. what is the communications futures program? >> we work together with industry partners both internationally and domestically to look at issues affecting the internet. the idea is to try to think about technologically aware policy, business strategy, and strategy where technology -- strategy-up where technology. >> what a